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libcm/app/cmScoreMatchGraphic.c

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#include "cmPrefix.h"
#include "cmGlobal.h"
#include "cmFloatTypes.h"
#include "cmRpt.h"
#include "cmErr.h"
#include "cmCtx.h"
#include "cmMem.h"
#include "cmMallocDebug.h"
#include "cmLinkedHeap.h"
#include "cmTime.h"
#include "cmMidi.h"
#include "cmLex.h"
#include "cmCsv.h"
#include "cmSymTbl.h"
#include "cmMidiFile.h"
#include "cmAudioFile.h"
#include "cmTimeLine.h"
#include "cmText.h"
#include "cmFile.h"
#include "cmScore.h"
#include "cmScoreMatchGraphic.h"
enum
{
kLocSmgFl = 0x0001,
kBarSmgFl = 0x0002, // score bar
kNoteSmgFl = 0x0004, // score note
kPedalSmgFl = 0x0008, // sore damper|sot pedal
kSostSmgFl = 0x0010, // score sost pedal
kMidiSmgFl = 0x0020, // midi msg
kNoMatchSmgFl = 0x0040, // midi or score events that were not matched
kPedalDnSmgFl = 0x0080 // score pedal is down
};
// Graphic box representing a score label or MIDI event
typedef struct cmSmgBox_str
{
unsigned flags;
unsigned id; // csvEventId or midiUid
unsigned left;
unsigned top;
unsigned width;
unsigned height;
cmChar_t* text0;
cmChar_t* text1;
struct cmSmgBox_str* link;
} cmSmgBox_t;
// Graphic line linking secondary MIDI matches to score events
typedef struct cmSmgLine_str
{
cmSmgBox_t* b0;
cmSmgBox_t* b1;
struct cmSmgLine_str* link;
} cmSmgLine_t;
// Score Location
typedef struct cmSmgLoc_str
{
cmSmgBox_t* bV; // List of graphic boxes assigned to this score location
} cmSmgLoc_t;
// Score label
typedef struct
{
unsigned type; // kBarEvtScId | kNonEvtScId | kPedalEvtScId
unsigned barNumb;
unsigned csvEventId;
unsigned locIdx;
cmSmgBox_t* box;
} cmSmgSc_t;
// Link a MIDI event to it's matched score label.
typedef struct cmSmgMatch_str
{
cmSmgSc_t* score;
struct cmSmgMatch_str* link;
} cmSmgMatch_t;
// MIDI file event
typedef struct
{
double secs;
unsigned uid;
unsigned pitch;
unsigned vel;
cmSmgMatch_t* matchV; // list of matches to score events
cmSmgBox_t* box;
} cmSmgMidi_t;
typedef struct
{
cmErr_t err;
cmChar_t* scFn;
cmSmgSc_t* scV; // scV[scN] score bars,notes, pedals
unsigned scN;
cmSmgLoc_t* locV; // locV[locN] score locations (from the score file)
unsigned locN;
cmSmgLine_t* lines; // Graphic lines used to indicate that a midi event matches to multiple score notes.
// (Each match after the first gets a line from the box representing the midi event
// to the matching score event)
cmChar_t* mfFn; // MIDI file name
cmSmgMidi_t* mV; // mV[mN] midi note-on events
unsigned mN;
double mfDurSecs; // midi file duration in seconds
unsigned boxW; // graphic box width and height
unsigned boxH;
} cmSmg_t;
cmSmgH_t cmSmgNullHandle = cmSTATIC_NULL_HANDLE;
cmSmg_t* _cmSmgHandleToPtr( cmSmgH_t h )
{
cmSmg_t* p = (cmSmg_t*)h.h;
assert(p!=NULL);
return p;
}
cmSmgRC_t _cmSmgFree( cmSmg_t* p )
{
unsigned i;
for(i=0; i<p->mN; ++i)
{
cmSmgMatch_t* m0 = p->mV[i].matchV;
cmSmgMatch_t* m1 = NULL;
while(m0!=NULL)
{
m1 = m0->link;
cmMemFree(m0);
m0 = m1;
}
}
for(i=0; i<p->locN; ++i)
{
cmSmgBox_t* b0 = p->locV[i].bV;
cmSmgBox_t* b1 = NULL;
while(b0!=NULL)
{
b1 = b0->link;
cmMemFree(b0->text0);
cmMemFree(b0->text1);
cmMemFree(b0);
b0 = b1;
}
}
cmSmgLine_t* l0 = p->lines;
cmSmgLine_t* l1 = NULL;
while( l0 != NULL )
{
l1 = l0->link;
cmMemFree(l0);
l0 = l1;
}
cmMemFree(p->scFn);
cmMemFree(p->mfFn);
cmMemFree(p->scV);
cmMemFree(p->mV);
cmMemFree(p->locV);
cmMemFree(p);
return kOkSmgRC;
}
cmSmgBox_t* _cmSmgInsertBox( cmSmg_t* p, unsigned locIdx, unsigned flags, unsigned id, cmChar_t* text0, cmChar_t* text1 )
{
assert( locIdx < p->locN );
cmSmgBox_t* b = cmMemAllocZ(cmSmgBox_t,1);
b->flags = flags;
b->id = id;
b->text0 = text0;
b->text1 = text1;
if( p->locV[locIdx].bV == NULL )
{
p->locV[locIdx].bV = b;
}
else
{
cmSmgBox_t* b0 = p->locV[locIdx].bV;
while( b0->link!=NULL )
b0 = b0->link;
b0->link = b;
}
return b;
}
cmSmgRC_t _cmSmgInitFromScore( cmCtx_t* ctx, cmSmg_t* p, const cmChar_t* scoreFn )
{
cmSmgRC_t rc = kOkSmgRC;
cmScH_t scH = cmScNullHandle;
unsigned i,j,k;
if( cmScoreInitialize(ctx,&scH,scoreFn,44100.0, NULL, 0, NULL, NULL, cmSymTblNullHandle ) != kOkScRC )
return cmErrMsg(&p->err,kScoreFailSmgRC,"Score initializatio failed on '%s'.",cmStringNullGuard(scoreFn));
p->scFn = cmMemAllocStr(scoreFn);
p->scN = cmScoreEvtCount(scH);
p->scV = cmMemAllocZ(cmSmgSc_t,p->scN);
p->locN = cmScoreLocCount(scH);
p->locV = cmMemAllocZ(cmSmgLoc_t,p->locN);
// for each score location
for(i=0,k=0; i<cmScoreLocCount(scH); ++i)
{
cmScoreLoc_t* l = cmScoreLoc(scH,i);
// insert the location label box
_cmSmgInsertBox(p, i, kLocSmgFl, cmInvalidId, cmTsPrintfP(NULL,"%i",i), NULL );
// for each event in location i
for(j=0; j<l->evtCnt; ++j)
{
const cmScoreEvt_t* e = l->evtArray[j];
unsigned flags = kNoMatchSmgFl;
cmChar_t* text = NULL;
switch( e->type)
{
case kNonEvtScId:
flags |= kNoteSmgFl;
text = cmMemAllocStr( cmMidiToSciPitch( e->pitch, NULL, 0));
break;
case kBarEvtScId:
flags |= kBarSmgFl;
text = cmTsPrintfP(NULL,"%i",e->barNumb);
break;
case kPedalEvtScId:
flags |= kPedalSmgFl;
text = cmTsPrintfP(NULL,"%s", cmIsFlag(e->flags,kPedalDnScFl)?"v":"^");
if( e->pitch == kSostenutoCtlMdId )
flags |= kSostSmgFl;
flags |= cmIsFlag(e->flags,kPedalDnScFl) ? kPedalDnSmgFl : 0;
break;
}
// if e is a score event of interest then store a reference to it
if( flags != kNoMatchSmgFl )
{
assert( k < p->scN );
p->scV[k].type = e->type;
p->scV[k].csvEventId = e->csvEventId;
p->scV[k].locIdx = i;
p->scV[k].barNumb = e->barNumb;
p->scV[k].box = _cmSmgInsertBox(p, i, flags, e->csvEventId, text, NULL );
k += 1;
}
}
}
p->scN = k;
cmScoreFinalize(&scH);
return rc;
}
cmSmgRC_t _cmSmgInitFromMidi( cmCtx_t* ctx, cmSmg_t* p, const cmChar_t* midiFn )
{
cmSmgRC_t rc = kOkSmgRC;
cmMidiFileH_t mfH = cmMidiFileNullHandle;
unsigned i,j;
if( cmMidiFileOpen(ctx, &mfH, midiFn ) != kOkMfRC )
return cmErrMsg(&p->err,kMidiFileFailSmgRC,"MIDI file open failed on '%s'.",cmStringNullGuard(midiFn));
const cmMidiTrackMsg_t** mV = cmMidiFileMsgArray(mfH);
unsigned mN = cmMidiFileMsgCount(mfH);
p->mV = cmMemAllocZ(cmSmgMidi_t,mN);
p->mN = mN;
p->mfDurSecs = cmMidiFileDurSecs(mfH);
p->mfFn = cmMemAllocStr(midiFn);
for(i=0,j=0; i<mN; ++i)
if( (mV[i]!=NULL) && cmMidiIsChStatus(mV[i]->status) && cmMidiIsNoteOn(mV[i]->status) && (mV[i]->u.chMsgPtr->d1>0) )
{
assert(j < mN);
p->mV[j].secs = mV[i]->amicro / 1000000.0;
p->mV[j].uid = mV[i]->uid;
p->mV[j].pitch = mV[i]->u.chMsgPtr->d0;
p->mV[j].vel = mV[i]->u.chMsgPtr->d1;
++j;
}
p->mN = j;
cmMidiFileClose(&mfH);
return rc;
}
cmSmgRC_t cmScoreMatchGraphicAlloc( cmCtx_t* ctx, cmSmgH_t* hp, const cmChar_t* scoreFn, const cmChar_t* midiFn )
{
cmSmgRC_t rc;
if((rc = cmScoreMatchGraphicFree(hp)) != kOkSmgRC )
return rc;
cmSmg_t* p = cmMemAllocZ(cmSmg_t,1);
cmErrSetup(&p->err,&ctx->rpt,"ScoreMatchGraphic");
if((rc = _cmSmgInitFromScore(ctx,p,scoreFn)) != kOkSmgRC )
goto errLabel;
if((rc = _cmSmgInitFromMidi(ctx,p,midiFn)) != kOkSmgRC )
goto errLabel;
p->boxW = 30;
p->boxH = 50;
hp->h = p;
errLabel:
if( rc != kOkSmgRC )
_cmSmgFree(p);
return rc;
}
bool cmScoreMatchGraphicIsValid( cmSmgH_t h )
{ return h.h != NULL; }
cmSmgRC_t cmScoreMatchGraphicFree( cmSmgH_t* hp )
{
cmSmgRC_t rc = kOkSmgRC;
if(hp==NULL || cmScoreMatchGraphicIsValid(*hp)==false)
return kOkSmgRC;
cmSmg_t* p = _cmSmgHandleToPtr(*hp);
if((rc = _cmSmgFree(p)) != kOkSmgRC )
return rc;
hp->h = NULL;
return rc;
}
bool cmScoreMatchGraphic( cmSmgH_t h )
{ return h.h != NULL; }
cmSmgRC_t cmScoreMatchGraphicInsertMidi( cmSmgH_t h, unsigned midiUid, unsigned midiPitch, unsigned midiVel, unsigned csvScoreEventId )
{
cmSmg_t* p = _cmSmgHandleToPtr(h);
unsigned i,j;
// if this midi event did not match any score records
if( csvScoreEventId == cmInvalidId )
return kOkSmgRC;
assert(midiUid != cmInvalidId );
assert(midiPitch<128 && midiVel<128);
// find the midi file record which matches the event
for(i=0; i<p->mN; ++i)
if( p->mV[i].uid == midiUid )
{
// find the score record which matches the score event id
for(j=0; j<p->scN; ++j)
if( p->scV[j].csvEventId == csvScoreEventId )
{
// create a match record
cmSmgMatch_t* m = cmMemAllocZ(cmSmgMatch_t,1);
m->score = p->scV + j;
// mark the box associated with this score record as 'matched' by clearing the kNoMatchSmgFl
p->scV[j].box->flags = cmClrFlag(p->scV[j].box->flags,kNoMatchSmgFl);
// insert the match record in the midi files match list
if( p->mV[i].matchV == NULL )
p->mV[i].matchV = m;
else
{
cmSmgMatch_t* m0 = p->mV[i].matchV;
while( m0->link != NULL )
m0 = m0->link;
m0->link = m;
}
return kOkSmgRC;
}
return cmErrMsg(&p->err,kScoreFailSmgRC,"The score csv event id %i not found,",csvScoreEventId);
}
return cmErrMsg(&p->err,kMidiFileFailSmgRC,"MIDI uid %i not found.",midiUid);
}
// Create a box for each MIDI event and a line for each
// match beyond the first.
void _cmSmgResolveMidi( cmSmg_t* p )
{
unsigned prevLocIdx = 0;
unsigned i;
// for each midi record
for(i=0; i<p->mN; ++i)
{
// get the first match record for this MIDI event
const cmSmgMatch_t* m = p->mV[i].matchV;
// get the score location for this midi event
unsigned locIdx = m==NULL ? prevLocIdx : m->score->locIdx;
unsigned flags = kMidiSmgFl | (m==NULL ? kNoMatchSmgFl : 0);
// set the text label for this event
cmChar_t* text = cmMemAllocStr( cmMidiToSciPitch( p->mV[i].pitch, NULL, 0));
// insert a box to represent this midi event
cmSmgBox_t* box = _cmSmgInsertBox( p, locIdx, flags, p->mV[i].uid, text, cmTsPrintfP(NULL,"%i",p->mV[i].uid) );
prevLocIdx = locIdx;
// if this midi event matched to multiple score positions
if( m != NULL && m->link != NULL )
{
// insert a line for each match after the first
m = m->link;
for(; m!=NULL; m=m->link )
{
cmSmgLine_t* l = cmMemAllocZ(cmSmgLine_t,1);
l->b0 = box;
l->b1 = m->score->box;
l->link = p->lines;
p->lines = l;
}
}
}
}
void _cmSmgLayout( cmSmg_t* p )
{
unsigned i;
unsigned bordX = 5;
unsigned bordY = 5;
unsigned top = p->boxH + 2*bordY;
unsigned left = bordX;
for(i=0; i<p->locN; ++i)
{
cmSmgLoc_t* l = p->locV + i;
cmSmgBox_t* b = l->bV;
// for each box attached to this location
for(; b!=NULL; b=b->link)
{
// bar boxes are always drawn at the top of the column
if( cmIsFlag(b->flags,kBarSmgFl) )
b->top = bordY;
else
{
b->top = top;
top += p->boxH + bordY;
}
b->left = left;
b->width = p->boxW;
b->height = p->boxH;
}
left += p->boxW + bordX;
top = p->boxH + 2*bordY;
}
}
void _cmSmgSvgSize( cmSmg_t* p, unsigned* widthRef, unsigned* heightRef )
{
unsigned i;
unsigned maxWidth = 0;
unsigned maxHeight = 0;
for(i=0; i<p->locN; ++i)
{
cmSmgBox_t* b = p->locV[i].bV;
for(; b != NULL; b=b->link )
{
if( b->left + b->width > maxWidth )
maxWidth = b->left + b->width;
if( b->top + b->height > maxHeight )
maxHeight = b->top + b->height;
}
}
*widthRef = maxWidth;
*heightRef = maxHeight;
}
cmSmgRC_t cmScoreMatchGraphicWrite( cmSmgH_t h, const cmChar_t* fn )
{
cmSmg_t* p = _cmSmgHandleToPtr(h);
cmFileH_t fH = cmFileNullHandle;
unsigned svgHeight = 0;
unsigned svgWidth = 0;
unsigned i;
// BUG BUG BUG : this can only be called once
// create a box for each midi event
_cmSmgResolveMidi( p );
// layout the boxes
_cmSmgLayout( p );
if( cmFileOpen(&fH,fn,kWriteFileFl,p->err.rpt) != kOkFileRC )
return cmErrMsg(&p->err,kFileFailScRC,"Graphic file create failed for '%s'.",cmStringNullGuard(fn));
_cmSmgSvgSize(p,&svgWidth,&svgHeight);
svgHeight += 10; // add a right and lower border
svgWidth += 10;
cmFilePrintf(fH,"<!DOCTYPE html>\n<html>\n<head><link rel=\"stylesheet\" type=\"text/css\" href=\"score0.css\"></head><body>\n<svg width=\"%i\" height=\"%i\">\n",svgWidth,svgHeight);
for(i=0; i<p->locN; ++i)
{
cmSmgBox_t* b = p->locV[i].bV;
for(; b != NULL; b=b->link )
{
const cmChar_t* classStr = "score";
if( cmIsFlag(b->flags,kLocSmgFl) )
classStr = "loc";
if( cmIsFlag(b->flags,kMidiSmgFl) )
classStr = "midi";
if( cmIsFlag(b->flags,kNoMatchSmgFl) )
if( cmIsFlag(b->flags,kMidiSmgFl) )
classStr = "midi_miss";
if( cmIsFlag(b->flags,kNoMatchSmgFl) )
if( cmIsFlag(b->flags,kNoteSmgFl) )
classStr = "score_miss";
if( cmIsFlag(b->flags,kBarSmgFl) )
classStr = "bar";
if( cmIsFlag(b->flags,kPedalSmgFl) )
{
if( cmIsFlag(b->flags,kSostSmgFl) )
classStr = "sost";
else
classStr = "damper";
}
if( cmFilePrintf(fH,"<rect x=\"%i\" y=\"%i\" width=\"%i\" height=\"%i\" class=\"%s\"/>\n",b->left,b->top,b->width,b->height,classStr) != kOkFileRC )
return cmErrMsg(&p->err,kFileFailScRC,"File write failed on graphic file rect output.");
if( b->text0 != NULL )
{
unsigned tx = b->left + b->width/2;
unsigned ty = b->top + 20;
if( cmFilePrintf(fH,"<text x=\"%i\" y=\"%i\" text-anchor=\"middle\" class=\"stext\">%s</text>\n",tx,ty,b->text0) != kOkFileRC )
return cmErrMsg(&p->err,kFileFailScRC,"File write failed on graphic file text output.");
}
if( b->text1 != NULL )
{
unsigned tx = b->left + b->width/2;
unsigned ty = b->top + 20 + 20;
if( cmFilePrintf(fH,"<text x=\"%i\" y=\"%i\" text-anchor=\"middle\" class=\"stext\">%s</text>\n",tx,ty,b->text1) != kOkFileRC )
return cmErrMsg(&p->err,kFileFailScRC,"File write failed on graphic file text output.");
}
}
}
cmSmgLine_t* l = p->lines;
for(; l!=NULL; l=l->link)
{
unsigned x0 = l->b0->left + l->b0->width/2;
unsigned y0 = l->b0->top + l->b0->height/2;
unsigned x1 = l->b1->left + l->b1->width/2;
unsigned y1 = l->b1->top + l->b1->height/2;
if( cmFilePrintf(fH,"<line x1=\"%i\" y1=\"%i\" x2=\"%i\" y2=\"%i\" class=\"sline\"/>\n",x0,y0,x1,y1) != kOkFileRC )
return cmErrMsg(&p->err,kFileFailScRC,"File write failed on graphic file line output.");
}
cmFilePrint(fH,"</svg>\n</body>\n</html>\n");
cmFileClose(&fH);
return kOkSmgRC;
}
cmSmgRC_t cmScoreMatchGraphicGenTimeLineBars( cmSmgH_t h, const cmChar_t* fn, unsigned srate )
{
cmSmgRC_t rc = kOkSmgRC;
cmFileH_t f = cmFileNullHandle;
cmSmg_t* p = _cmSmgHandleToPtr(h);
unsigned i = 0;
if( cmFileOpen(&f,fn,kWriteFileFl,p->err.rpt) != kOkFileRC )
return cmErrMsg(&p->err,kFileSmgRC,"The time-line bar file '%s' could not be created.",cmStringNullGuard(fn));
// for each MIDI event
for(i=0; i<p->mN; ++i)
{
// if this MIDI event matched a score event
if( p->mV[i].matchV == NULL || p->mV[i].matchV->score == NULL )
continue;
// backup the score position by one location - because we are looking for bar events
// which are just prior to note events - because for our purposes they will have the same onset.
cmSmgSc_t* s = p->mV[i].matchV->score - 1;
for(; s >= p->scV; s-- )
{
// if this is a bar event just preceding the matched MIDI event - then the bar happens at the same time as the note event
if( s->type == kBarEvtScId )
break;
// if this is a note event - then there is no preceding bar event
if( s->type == kNonEvtScId )
break;
}
// if a bar was found
if(s >= p->scV && s->type == kBarEvtScId)
{
unsigned bar = s->barNumb;
unsigned offset = p->mV[i].secs * srate;
unsigned smpCnt = p->mfDurSecs * srate - offset;
cmFilePrintf(f,"{ label: \"%i\" type: \"mk\" ref: \"mf-0\" offset: %8i smpCnt:%8i trackId: 0 textStr: \"Bar %3i\" bar: %3i sec:\"%3i\" }\n",bar,offset,smpCnt,bar,bar,bar);
}
}
cmFileClose(&f);
return rc;
}
// Find the first MIDI event that matches this score event
const cmSmgMidi_t* _cmScoreMatchGraphicScoreToMatchedMidiEvent( cmSmg_t* p, const cmSmgSc_t* sc )
{
unsigned i;
for(i=0; i<p->mN; ++i)
{
const cmSmgMatch_t* m = p->mV[i].matchV;
for(; m != NULL; m=m->link )
if( sc->csvEventId == m->score->csvEventId )
return p->mV + i;
}
return NULL;
}
cmSmgRC_t _cmScoreMatchGraphicInsertMidiMsg( cmSmg_t* p, cmMidiFileH_t mfH, bool pedalDnFl, const cmSmgSc_t* s )
{
const cmSmgMidi_t* m;
// locate the MIDI event associated with the reference event
if((m =_cmScoreMatchGraphicScoreToMatchedMidiEvent( p, s )) == NULL )
return cmErrWarnMsg(&p->err,kMatchFailSmgRC,"A sostenuto pedal msg could not be aligned to a note event.");
int dtick_offset = pedalDnFl ? 1 : -1;
cmMidiByte_t midi_vel = pedalDnFl ? 64 : 0;
cmMidiByte_t midi_ch = 0;
printf("pedal:%s\n",pedalDnFl?"down":"up");
// insert a pedal msg relative to the reference event
if( cmMidiFileInsertMsg(mfH, m->uid, dtick_offset, midi_ch, kCtlMdId, kSostenutoCtlMdId, midi_vel ) != kOkMfRC )
return cmErrWarnMsg(&p->err,kMidiFileFailSmgRC,"MIDI msg insert failed.");
return kOkSmgRC;
}
cmSmgRC_t _cmScoreMatchGraphicUpdateSostenuto( cmSmg_t* p, cmMidiFileH_t mfH )
{
cmSmgRC_t rc = kOkSmgRC;
unsigned i, j = cmInvalidIdx;
bool pedalUpFl = false;
// for each score event
for(i=0; i<p->scN; ++i)
{
switch( p->scV[i].type )
{
case kNonEvtScId:
{
// if the pedalUpFl is set then insert a sost-pedal-up msg before this note.
if( pedalUpFl )
{
_cmScoreMatchGraphicInsertMidiMsg(p, mfH, false, p->scV + i );
pedalUpFl = false;
}
j = i; // store the index of this note event (it may be needed if the next event is a sost. pedal evt.)
}
break;
case kPedalEvtScId:
// if this is a sost pedal event
if( cmIsFlag(p->scV[i].box->flags,kSostSmgFl) )
{
if( cmIsFlag(p->scV[i].box->flags,kPedalDnSmgFl) )
{
assert( j != cmInvalidIdx );
_cmScoreMatchGraphicInsertMidiMsg(p, mfH, true, p->scV + j );
}
else
{
pedalUpFl = true; // insert a pedal up message before the next note-on
}
}
default:
break;
}
}
return rc;
}
cmSmgRC_t cmScoreMatchGraphicUpdateMidiFromScore( cmCtx_t* ctx, cmSmgH_t h, const cmChar_t* newMidiFn )
{
cmSmgRC_t rc = kOkSmgRC;
cmSmg_t* p = _cmSmgHandleToPtr(h);
unsigned i = 0;
cmMidiFileH_t mfH = cmMidiFileNullHandle;
cmScH_t scH = cmScNullHandle;
// open the MIDI file
if( cmMidiFileOpen(ctx, &mfH, p->mfFn ) != kOkMfRC )
return cmErrMsg(&p->err,kMidiFileFailSmgRC,"MIDI file open failed on '%s'.",cmStringNullGuard(p->mfFn));
// instantiate the score from the score CSV file
if( cmScoreInitialize(ctx,&scH,p->scFn,44100.0, NULL, 0, NULL, NULL, cmSymTblNullHandle ) != kOkScRC )
{
rc = cmErrMsg(&p->err,kScoreFailSmgRC,"Score initializatio failed on '%s'.",cmStringNullGuard(p->scFn));
goto errLabel;
}
// for each MIDI note-on event
for(i=0; i<p->mN; ++i)
{
cmSmgMidi_t* mr = p->mV + i;
// only update midi events which were matched exactly once
if( mr->matchV==NULL || mr->matchV->link!=NULL )
continue;
// locate the matched score event
const cmScoreEvt_t* s= cmScoreIdToEvt( scH, mr->matchV->score->csvEventId );
assert( s!=NULL );
// assign the score velocity to the MIDI note
if(cmMidiFileSetVelocity( mfH, mr->uid, s->vel ) != kOkMfRC )
{
rc = cmErrMsg(&p->err,kOpFailSmgRC,"Set velocify operation failed.");
goto errLabel;
}
}
// update the sostenuto pedal msg's in the MIDI file.
_cmScoreMatchGraphicUpdateSostenuto(p, mfH );
// write the updated MIDI file
if( cmMidiFileWrite( mfH, newMidiFn ) != kOkMfRC )
{
rc = cmErrMsg(&p->err,kMidiFileFailSmgRC,"MIDI file write failed on '%s'.",cmStringNullGuard(newMidiFn));
goto errLabel;
}
cmMidiFilePrintMsgs(mfH, p->err.rpt );
errLabel:
cmMidiFileClose(&mfH);
cmScoreFinalize(&scH);
return rc;
}
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